+++ /dev/null
-/*
- * Copyright IBM Corporation, 2013. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.controller.md.statistics.manager;
-
-import java.util.Collection;
-import java.util.Timer;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentMap;
-
-import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
-import org.opendaylight.controller.sal.binding.api.RpcConsumerRegistry;
-import org.opendaylight.controller.sal.binding.api.data.DataChangeListener;
-import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.OpendaylightFlowStatisticsService;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.OpendaylightFlowTableStatisticsService;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.OpendaylightGroupStatisticsService;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.OpendaylightMeterStatisticsService;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.OpendaylightPortStatisticsService;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.OpendaylightQueueStatisticsService;
-import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.binding.NotificationListener;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.google.common.base.Preconditions;
-
-/**
- * Following are main responsibilities of the class:
- * 1) Invoke statistics request thread to send periodic statistics request to all the
- * flow capable switch connected to the controller. It sends statistics request for
- * Group,Meter,Table,Flow,Queue,Aggregate stats.
- *
- * 2) Invoke statistics ager thread, to clean up all the stale statistics data from
- * operational data store.
- *
- * @author avishnoi@in.ibm.com
- *
- */
-public class StatisticsProvider implements AutoCloseable {
- private static final Logger spLogger = LoggerFactory.getLogger(StatisticsProvider.class);
-
- private final ConcurrentMap<NodeId, NodeStatisticsHandler> handlers = new ConcurrentHashMap<>();
- private final Timer timer = new Timer("statistics-manager", true);
- private final DataProviderService dps;
-
- private OpendaylightGroupStatisticsService groupStatsService;
-
- private OpendaylightMeterStatisticsService meterStatsService;
-
- private OpendaylightFlowStatisticsService flowStatsService;
-
- private OpendaylightPortStatisticsService portStatsService;
-
- private OpendaylightFlowTableStatisticsService flowTableStatsService;
-
- private OpendaylightQueueStatisticsService queueStatsService;
-
- private final StatisticsRequestScheduler srScheduler;
-
- public StatisticsProvider(final DataProviderService dataService) {
- this.dps = Preconditions.checkNotNull(dataService);
- this.srScheduler = new StatisticsRequestScheduler();
- }
-
- private final StatisticsListener updateCommiter = new StatisticsListener(StatisticsProvider.this);
-
- private ListenerRegistration<NotificationListener> listenerRegistration;
-
- private ListenerRegistration<DataChangeListener> flowCapableTrackerRegistration;
-
- public void start(final NotificationProviderService nps, final RpcConsumerRegistry rpcRegistry) {
-
- // Get Group/Meter statistics service instances
- groupStatsService = rpcRegistry.getRpcService(OpendaylightGroupStatisticsService.class);
- meterStatsService = rpcRegistry.getRpcService(OpendaylightMeterStatisticsService.class);
- flowStatsService = rpcRegistry.getRpcService(OpendaylightFlowStatisticsService.class);
- portStatsService = rpcRegistry.getRpcService(OpendaylightPortStatisticsService.class);
- flowTableStatsService = rpcRegistry.getRpcService(OpendaylightFlowTableStatisticsService.class);
- queueStatsService = rpcRegistry.getRpcService(OpendaylightQueueStatisticsService.class);
- this.srScheduler.start();
-
- // Start receiving notifications
- this.listenerRegistration = nps.registerNotificationListener(this.updateCommiter);
-
- // Register for switch connect/disconnect notifications
- final InstanceIdentifier<FlowCapableNode> fcnId = InstanceIdentifier.builder(Nodes.class)
- .child(Node.class).augmentation(FlowCapableNode.class).build();
- spLogger.debug("Registering FlowCapable tracker to {}", fcnId);
- this.flowCapableTrackerRegistration = dps.registerDataChangeListener(fcnId,
- new FlowCapableTracker(this, fcnId));
-
- spLogger.info("Statistics Provider started.");
- }
-
- /**
- * Get the handler for a particular node.
- *
- * @param nodeId source node
- * @return Node statistics handler for that node. Null if the statistics should
- * not handled.
- */
- public final NodeStatisticsHandler getStatisticsHandler(final NodeId nodeId) {
- Preconditions.checkNotNull(nodeId);
- NodeStatisticsHandler handler = handlers.get(nodeId);
- if (handler == null) {
- spLogger.info("Attempted to get non-existing handler for {}", nodeId);
- }
- return handler;
- }
-
- @Override
- public void close() {
- try {
- if (this.listenerRegistration != null) {
- this.listenerRegistration.close();
- this.listenerRegistration = null;
- }
- if (this.flowCapableTrackerRegistration != null) {
- this.flowCapableTrackerRegistration.close();
- this.flowCapableTrackerRegistration = null;
- }
- timer.cancel();
- } catch (Exception e) {
- spLogger.warn("Failed to stop Statistics Provider completely", e);
- } finally {
- spLogger.info("Statistics Provider stopped.");
- }
- }
-
- void startNodeHandlers(final Collection<NodeKey> addedNodes) {
- for (NodeKey key : addedNodes) {
- if (handlers.containsKey(key.getId())) {
- spLogger.warn("Attempted to start already-existing handler for {}, very strange", key.getId());
- continue;
- }
-
- final NodeStatisticsHandler h = new NodeStatisticsHandler(dps, key,
- flowStatsService, flowTableStatsService, groupStatsService,
- meterStatsService, portStatsService, queueStatsService,srScheduler);
- final NodeStatisticsHandler old = handlers.putIfAbsent(key.getId(), h);
- if (old == null) {
- spLogger.debug("Started node handler for {}", key.getId());
- h.start(timer);
- } else {
- spLogger.debug("Prevented race on handler for {}", key.getId());
- }
- }
- }
-
- void stopNodeHandlers(final Collection<NodeKey> removedNodes) {
- for (NodeKey key : removedNodes) {
- final NodeStatisticsHandler s = handlers.remove(key.getId());
- if (s != null) {
- spLogger.debug("Stopping node handler for {}", key.getId());
- s.close();
- } else {
- spLogger.warn("Attempted to remove non-existing handler for {}, very strange", key.getId());
- }
- }
- }
-}
Code Review / controller.git / blobdiff